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/*
* Copyright 2018, Google LLC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.tools.smali.dexlib2;
import static java.util.Collections.unmodifiableMap;
import java.util.HashMap;
import java.util.Map;
import com.android.tools.smali.util.ExceptionWithContext;
import javax.annotation.Nonnull;
public class MethodHandleType {
public static final int STATIC_PUT = 0;
public static final int STATIC_GET = 1;
public static final int INSTANCE_PUT = 2;
public static final int INSTANCE_GET = 3;
public static final int INVOKE_STATIC = 4;
public static final int INVOKE_INSTANCE = 5;
public static final int INVOKE_CONSTRUCTOR = 6;
public static final int INVOKE_DIRECT = 7;
public static final int INVOKE_INTERFACE = 8;
private static final Map<Integer, String> methodHandleTypeNames = unmodifiableMap(Map.of(
STATIC_PUT, "static-put",
STATIC_GET, "static-get",
INSTANCE_PUT, "instance-put",
INSTANCE_GET, "instance-get",
INVOKE_STATIC, "invoke-static",
INVOKE_INSTANCE, "invoke-instance",
INVOKE_CONSTRUCTOR, "invoke-constructor",
INVOKE_DIRECT, "invoke-direct",
INVOKE_INTERFACE, "invoke-interface"));
private static final Map<String, Integer> inverse = getInverse();
private static Map<String, Integer> getInverse() {
HashMap<String, Integer> namesToTypes = new HashMap<>();
for (Map.Entry<Integer, String> entry : methodHandleTypeNames.entrySet()) {
namesToTypes.put(entry.getValue(), entry.getKey());
}
return unmodifiableMap(namesToTypes);
}
@Nonnull public static String toString(int methodHandleType) {
String val = methodHandleTypeNames.get(methodHandleType);
if (val == null) {
throw new InvalidMethodHandleTypeException(methodHandleType);
}
return val;
}
public static int getMethodHandleType(String methodHandleType) {
Integer ret = inverse.get(methodHandleType);
if (ret == null) {
throw new ExceptionWithContext("Invalid method handle type: %s", methodHandleType);
}
return ret;
}
public static class InvalidMethodHandleTypeException extends ExceptionWithContext {
private final int methodHandleType;
public InvalidMethodHandleTypeException(int methodHandleType) {
super("Invalid method handle type: %d", methodHandleType);
this.methodHandleType = methodHandleType;
}
public InvalidMethodHandleTypeException(int methodHandleType, String message, Object... formatArgs) {
super(message, formatArgs);
this.methodHandleType = methodHandleType;
}
public int getMethodHandleType() {
return methodHandleType;
}
}
}
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